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The analysis of wave patterns in a structure which possesses periodicity inthe spatial and temporal dimensions is presented. The topic of imperfect chiralinterfaces is also considered. Although causality is fundamental for physicalprocesses, natural wave phenomena can be observed when a wave is split at atemporal interface. A wave split at a spatial interface is a more commonoccurrence; however when the coefficients of the governing equations aretime-dependent, the temporal interface becomes important. Here, the associatededge waves are studied, and regimes are analysed where the growth of thesolution in time is found. Imperfect interfaces, across which the displacementsare discontinuous, are also considered in the vector case of chiral elasticsystems. Analytical study and asymptotic approximations are supplied withillustrative numerical examples.

philosophical transactions - royal society. mathematical, physical and engineering sciences/philosophical transactions - royal society. mathematical, physical and engineering sciences

Edge Waves and Transmissions for Temporal Laminates and Imperfect Chiral Interfaces